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Property, Plant and Equipment, Net
 12 Months Ended
Nov. 30, 2018
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment, Net
Property, Plant and Equipment, Net 

The following table summarizes the Company's property, plant, and equipment, net:
 
November 30,
 
2018
 
2017
 
(Dollars in millions)
Land
$
23.3

 
$
18.5

Building and improvements
145.8

 
145.9

Machinery and equipment
413.6

 
402.8

Construction in progress
19.1

 
15.1

 
601.8

 
582.3

Accumulated depreciation
(396.0
)
 
(373.4
)
Property, Plant, and Equipment, Net
$
205.8

 
$
208.9


 
As of November 30, 2018, included in land and buildings and improvements are $3.0 million and $11.8 million (net of accumulated depreciation of $2.4 million), respectively, of assets under capital leases.

Depreciation expense was $26.4 million, $24.4 million, and $26.8 million in 2018, 2017, and 2016, respectively. Included in depreciation expense is $20.8 million, $19.2 million, and $22.3 million in 2018, 2017, and 2016, respectively, related to depreciation of manufacturing facilities and equipment.
 
As of November 30, 2018 and 2017, the Company had $4.3 million and $6.0 million, respectively, of unamortized software costs included in machinery and equipment, primarily related to an Enterprise Resource Planning (ERP) system. Depreciation expense of software costs was $2.3 million, $2.0 million, and $1.6 million in 2018, 2017, and 2016, respectively. The Company is depreciating these costs over five years.

Accelerated depreciation included in depreciation expense was $1.2 million and $3.0 million in fiscal 2018 and 2016, respectively. There was no accelerated depreciation in fiscal 2017. Accelerated depreciation relates to the Company's restructuring activities discussed in Note B of this annual report on Form 10-K.